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-rw-r--r--qga/commands-posix.c135
-rw-r--r--qga/commands-win32.c191
-rw-r--r--qga/qapi-schema.json65
3 files changed, 391 insertions, 0 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index e7a047e4c2..7b3d89a92c 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -13,6 +13,7 @@
#include "qemu/osdep.h"
#include <sys/ioctl.h>
+#include <sys/utsname.h>
#include <sys/wait.h>
#include <dirent.h>
#include "qga/guest-agent-core.h"
@@ -2592,3 +2593,137 @@ GuestUserList *qmp_guest_get_users(Error **errp)
}
#endif
+
+/* Replace escaped special characters with theire real values. The replacement
+ * is done in place -- returned value is in the original string.
+ */
+static void ga_osrelease_replace_special(gchar *value)
+{
+ gchar *p, *p2, quote;
+
+ /* Trim the string at first space or semicolon if it is not enclosed in
+ * single or double quotes. */
+ if ((value[0] != '"') || (value[0] == '\'')) {
+ p = strchr(value, ' ');
+ if (p != NULL) {
+ *p = 0;
+ }
+ p = strchr(value, ';');
+ if (p != NULL) {
+ *p = 0;
+ }
+ return;
+ }
+
+ quote = value[0];
+ p2 = value;
+ p = value + 1;
+ while (*p != 0) {
+ if (*p == '\\') {
+ p++;
+ switch (*p) {
+ case '$':
+ case '\'':
+ case '"':
+ case '\\':
+ case '`':
+ break;
+ default:
+ /* Keep literal backslash followed by whatever is there */
+ p--;
+ break;
+ }
+ } else if (*p == quote) {
+ *p2 = 0;
+ break;
+ }
+ *(p2++) = *(p++);
+ }
+}
+
+static GKeyFile *ga_parse_osrelease(const char *fname)
+{
+ gchar *content = NULL;
+ gchar *content2 = NULL;
+ GError *err = NULL;
+ GKeyFile *keys = g_key_file_new();
+ const char *group = "[os-release]\n";
+
+ if (!g_file_get_contents(fname, &content, NULL, &err)) {
+ slog("failed to read '%s', error: %s", fname, err->message);
+ goto fail;
+ }
+
+ if (!g_utf8_validate(content, -1, NULL)) {
+ slog("file is not utf-8 encoded: %s", fname);
+ goto fail;
+ }
+ content2 = g_strdup_printf("%s%s", group, content);
+
+ if (!g_key_file_load_from_data(keys, content2, -1, G_KEY_FILE_NONE,
+ &err)) {
+ slog("failed to parse file '%s', error: %s", fname, err->message);
+ goto fail;
+ }
+
+ g_free(content);
+ g_free(content2);
+ return keys;
+
+fail:
+ g_error_free(err);
+ g_free(content);
+ g_free(content2);
+ g_key_file_free(keys);
+ return NULL;
+}
+
+GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
+{
+ GuestOSInfo *info = NULL;
+ struct utsname kinfo;
+ GKeyFile *osrelease;
+
+ info = g_new0(GuestOSInfo, 1);
+
+ if (uname(&kinfo) != 0) {
+ error_setg_errno(errp, errno, "uname failed");
+ } else {
+ info->has_kernel_version = true;
+ info->kernel_version = g_strdup(kinfo.version);
+ info->has_kernel_release = true;
+ info->kernel_release = g_strdup(kinfo.release);
+ info->has_machine = true;
+ info->machine = g_strdup(kinfo.machine);
+ }
+
+ osrelease = ga_parse_osrelease("/etc/os-release");
+ if (osrelease == NULL) {
+ osrelease = ga_parse_osrelease("/usr/lib/os-release");
+ }
+
+ if (osrelease != NULL) {
+ char *value;
+
+#define GET_FIELD(field, osfield) do { \
+ value = g_key_file_get_value(osrelease, "os-release", osfield, NULL); \
+ if (value != NULL) { \
+ ga_osrelease_replace_special(value); \
+ info->has_ ## field = true; \
+ info->field = value; \
+ } \
+} while (0)
+ GET_FIELD(id, "ID");
+ GET_FIELD(name, "NAME");
+ GET_FIELD(pretty_name, "PRETTY_NAME");
+ GET_FIELD(version, "VERSION");
+ GET_FIELD(version_id, "VERSION_ID");
+ GET_FIELD(variant, "VARIANT");
+ GET_FIELD(variant_id, "VARIANT_ID");
+#undef GET_FIELD
+
+ g_key_file_free(osrelease);
+ }
+
+ return info;
+}
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 6f1645747b..619dbd2bc2 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -1642,3 +1642,194 @@ GuestUserList *qmp_guest_get_users(Error **err)
return NULL;
#endif
}
+
+typedef struct _ga_matrix_lookup_t {
+ int major;
+ int minor;
+ char const *version;
+ char const *version_id;
+} ga_matrix_lookup_t;
+
+static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = {
+ {
+ /* Desktop editions */
+ { 5, 0, "Microsoft Windows 2000", "2000"},
+ { 5, 1, "Microsoft Windows XP", "xp"},
+ { 6, 0, "Microsoft Windows Vista", "vista"},
+ { 6, 1, "Microsoft Windows 7" "7"},
+ { 6, 2, "Microsoft Windows 8", "8"},
+ { 6, 3, "Microsoft Windows 8.1", "8.1"},
+ {10, 0, "Microsoft Windows 10", "10"},
+ { 0, 0, 0}
+ },{
+ /* Server editions */
+ { 5, 2, "Microsoft Windows Server 2003", "2003"},
+ { 6, 0, "Microsoft Windows Server 2008", "2008"},
+ { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
+ { 6, 2, "Microsoft Windows Server 2012", "2012"},
+ { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
+ {10, 0, "Microsoft Windows Server 2016", "2016"},
+ { 0, 0, 0},
+ { 0, 0, 0}
+ }
+};
+
+static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
+{
+ typedef NTSTATUS(WINAPI * rtl_get_version_t)(
+ RTL_OSVERSIONINFOEXW *os_version_info_ex);
+
+ info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
+
+ HMODULE module = GetModuleHandle("ntdll");
+ PVOID fun = GetProcAddress(module, "RtlGetVersion");
+ if (fun == NULL) {
+ error_setg(errp, QERR_QGA_COMMAND_FAILED,
+ "Failed to get address of RtlGetVersion");
+ return;
+ }
+
+ rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
+ rtl_get_version(info);
+ return;
+}
+
+static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
+{
+ DWORD major = os_version->dwMajorVersion;
+ DWORD minor = os_version->dwMinorVersion;
+ int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
+ ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
+ while (table->version != NULL) {
+ if (major == table->major && minor == table->minor) {
+ if (id) {
+ return g_strdup(table->version_id);
+ } else {
+ return g_strdup(table->version);
+ }
+ }
+ ++table;
+ }
+ slog("failed to lookup Windows version: major=%lu, minor=%lu",
+ major, minor);
+ return g_strdup("N/A");
+}
+
+static char *ga_get_win_product_name(Error **errp)
+{
+ HKEY key = NULL;
+ DWORD size = 128;
+ char *result = g_malloc0(size);
+ LONG err = ERROR_SUCCESS;
+
+ err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
+ "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
+ &key);
+ if (err != ERROR_SUCCESS) {
+ error_setg_win32(errp, err, "failed to open registry key");
+ goto fail;
+ }
+
+ err = RegQueryValueExA(key, "ProductName", NULL, NULL,
+ (LPBYTE)result, &size);
+ if (err == ERROR_MORE_DATA) {
+ slog("ProductName longer than expected (%lu bytes), retrying",
+ size);
+ g_free(result);
+ result = NULL;
+ if (size > 0) {
+ result = g_malloc0(size);
+ err = RegQueryValueExA(key, "ProductName", NULL, NULL,
+ (LPBYTE)result, &size);
+ }
+ }
+ if (err != ERROR_SUCCESS) {
+ error_setg_win32(errp, err, "failed to retrive ProductName");
+ goto fail;
+ }
+
+ return result;
+
+fail:
+ g_free(result);
+ return NULL;
+}
+
+static char *ga_get_current_arch(void)
+{
+ SYSTEM_INFO info;
+ GetNativeSystemInfo(&info);
+ char *result = NULL;
+ switch (info.wProcessorArchitecture) {
+ case PROCESSOR_ARCHITECTURE_AMD64:
+ result = g_strdup("x86_64");
+ break;
+ case PROCESSOR_ARCHITECTURE_ARM:
+ result = g_strdup("arm");
+ break;
+ case PROCESSOR_ARCHITECTURE_IA64:
+ result = g_strdup("ia64");
+ break;
+ case PROCESSOR_ARCHITECTURE_INTEL:
+ result = g_strdup("x86");
+ break;
+ case PROCESSOR_ARCHITECTURE_UNKNOWN:
+ default:
+ slog("unknown processor architecture 0x%0x",
+ info.wProcessorArchitecture);
+ result = g_strdup("unknown");
+ break;
+ }
+ return result;
+}
+
+GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
+{
+ Error *local_err = NULL;
+ OSVERSIONINFOEXW os_version = {0};
+ bool server;
+ char *product_name;
+ GuestOSInfo *info;
+
+ ga_get_win_version(&os_version, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return NULL;
+ }
+
+ server = os_version.wProductType != VER_NT_WORKSTATION;
+ product_name = ga_get_win_product_name(&local_err);
+ if (product_name == NULL) {
+ error_propagate(errp, local_err);
+ return NULL;
+ }
+
+ info = g_new0(GuestOSInfo, 1);
+
+ info->has_kernel_version = true;
+ info->kernel_version = g_strdup_printf("%lu.%lu",
+ os_version.dwMajorVersion,
+ os_version.dwMinorVersion);
+ info->has_kernel_release = true;
+ info->kernel_release = g_strdup_printf("%lu",
+ os_version.dwBuildNumber);
+ info->has_machine = true;
+ info->machine = ga_get_current_arch();
+
+ info->has_id = true;
+ info->id = g_strdup("mswindows");
+ info->has_name = true;
+ info->name = g_strdup("Microsoft Windows");
+ info->has_pretty_name = true;
+ info->pretty_name = product_name;
+ info->has_version = true;
+ info->version = ga_get_win_name(&os_version, false);
+ info->has_version_id = true;
+ info->version_id = ga_get_win_name(&os_version, true);
+ info->has_variant = true;
+ info->variant = g_strdup(server ? "server" : "client");
+ info->has_variant_id = true;
+ info->variant_id = g_strdup(server ? "server" : "client");
+
+ return info;
+}
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 03743ab905..90a0c8602b 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -1126,3 +1126,68 @@
##
{ 'command': 'guest-get-timezone',
'returns': 'GuestTimezone' }
+
+##
+# @GuestOSInfo:
+#
+# @kernel-release:
+# * POSIX: release field returned by uname(2)
+# * Windows: version number of the OS
+# @kernel-version:
+# * POSIX: version field returned by uname(2)
+# * Windows: build number of the OS
+# @machine:
+# * POSIX: machine field returned by uname(2)
+# * Windows: one of x86, x86_64, arm, ia64
+# @id:
+# * POSIX: as defined by os-release(5)
+# * Windows: contains string "mswindows"
+# @name:
+# * POSIX: as defined by os-release(5)
+# * Windows: contains string "Microsoft Windows"
+# @pretty-name:
+# * POSIX: as defined by os-release(5)
+# * Windows: product name, e.g. "Microsoft Windows 10 Enterprise"
+# @version:
+# * POSIX: as defined by os-release(5)
+# * Windows: long version string, e.g. "Microsoft Windows Server 2008"
+# @version-id:
+# * POSIX: as defined by os-release(5)
+# * Windows: short version identifier, e.g. "7" or "20012r2"
+# @variant:
+# * POSIX: as defined by os-release(5)
+# * Windows: contains string "server" or "client"
+# @variant-id:
+# * POSIX: as defined by os-release(5)
+# * Windows: contains string "server" or "client"
+#
+# Notes:
+#
+# On POSIX systems the fields @id, @name, @pretty-name, @version, @version-id,
+# @variant and @variant-id follow the definition specified in os-release(5).
+# Refer to the manual page for exact description of the fields. Their values
+# are taken from the os-release file. If the file is not present in the system,
+# or the values are not present in the file, the fields are not included.
+#
+# On Windows the values are filled from information gathered from the system.
+#
+# Since: 2.10
+##
+{ 'struct': 'GuestOSInfo',
+ 'data': {
+ '*kernel-release': 'str', '*kernel-version': 'str',
+ '*machine': 'str', '*id': 'str', '*name': 'str',
+ '*pretty-name': 'str', '*version': 'str', '*version-id': 'str',
+ '*variant': 'str', '*variant-id': 'str' } }
+
+##
+# @guest-get-osinfo:
+#
+# Retrieve guest operating system information
+#
+# Returns: @GuestOSInfo
+#
+# Since: 2.10
+##
+{ 'command': 'guest-get-osinfo',
+ 'returns': 'GuestOSInfo' }
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-26 13:25:55 +0000